The psychological sickness one contracts when Mumfords and Sons backs out as the headliner of the music festival you're attending. Symptoms include, but are not limited to: intermittent frowning, being teased by your peers and randomly storming off in the middle of the show that replaced Mumford and Sons.
"Janet was really looking forward to seeing Mumford and Sons play at Bonnaroo this year. When they were suddenly replaced with Jack Johnson, she came down with a bad case of The Mums."
by Chicketychina11 June 21, 2013
Get the The Mumsmug. by Unbrokenwand9 April 13, 2020
Get the Mummug. She is a rubbish which gave less IQ and EQ.She talks much and she is very annoying.When Matthew Mak feels annoyed.She will 家暴 and hit Matthew Mak.And Matthew Mak almost die
by Matthew Mak January 23, 2022
Get the Matthew Mak’s Mummug. 
1) To keep silent.
2) A way of referring to your female parent in Britain, Australia, New Zealand and South Africa.
3) Mum can be used sarcastically towards friends when they're being demanding, controlling or oppressive.
Note: Americans and Canadians refer to their mum /muhm/ as mom /ma·ah·m/.
2) A way of referring to your female parent in Britain, Australia, New Zealand and South Africa.
3) Mum can be used sarcastically towards friends when they're being demanding, controlling or oppressive.
Note: Americans and Canadians refer to their mum /muhm/ as mom /ma·ah·m/.
1) Dad: Mum's the word.
*child makes a zipping motion across lips*
2) Lost girl says to sales assistant, "My mum is wearing a purple dress."
3) Friend: Wake up!
Me: Yes mum.
*child makes a zipping motion across lips*
2) Lost girl says to sales assistant, "My mum is wearing a purple dress."
3) Friend: Wake up!
Me: Yes mum.
by コトリー September 12, 2014
Get the Mummug. by Vice bio March 19, 2019
Get the Ar mum gaymug. When the man or woman you are dating has a mother, you can refer to her as your Mum-in-Love because you are yet to marry the son by law or customary rites.
by Kikidel July 21, 2025
Get the mum-in-lovemug.